Math 8 Review Lessons 2.1-2.7

What is the domain of this function?
(2, 4), (5, 5), (8, 6), (11, 7)

• {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
• {2, 5, 8, 11}
• {4, 5, 6, 7}
• {2, 4, 5, 8, 6, 11, 7}

Which relation is NOT a function?

• {(6,6), (1,1), (7, 1), (4,4)}

• 
• 
• 

What is the y- intercept of the graph of y = -5x + 6

• 5

• -5

• 6

• -6

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

Find the equation of the line with a y-intercept of 4 and a slope of -1

• y = -x+ 4

• y = x +4

• y = -4x + 1

• y =4x -1

What is the equation for this table?

• y=2x+5

• y=2x+3

• y=-2x+5

• y=-2x+3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Jenny writes the equation y = 1/2x +5.
Why is she incorrect?

• The slope is -2, the equation should be
  y = -2x + 5
• The y-intercept is 4, the equation should be y = -2x + 4
• The slope is -1/2, the equation should be
   y = -1/2x + 5
• The y-intercept is -5, the equation should be y = -2x - 5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which is the graph of y=-x+2?

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

7x - 2y = 12

• y = 7/2x + 6

• y = 7x - 6

• y = x +6

• y = 7/2x - 6

Tags

CCSS.6.EE.C.9

Which function has the greatest INITIAL VALUE?

• 
• 

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9